Gas-burner.



0 l 9 1 -0 2 M m m P GAB BURNER.

W. DONLBY dz 0. PAUL.

APPLIOATIOI rILnn Jun: 4, mo.

.WILLIAM; DONLEY AND CLYDE PAUL, OF WASHINGTON ASSIGNQR "To;

PENNSYLVANIA; SAID PAUL Y.

GAS-BURNER. Y

summ m f wn, 1mm] ml om. 25. 1910.

steam. l

Application filed an; 4,

Ta-all whom it may concern:

.hBe-it, known .that we, 'lumur Doxuzr and-:CLYDE PAUL, both residents of Wash J. -ington,-. in the county of. W'asliingtcnr; and State of, Pennsvlvania. have invented a new andfuseful Improvement in Gas-Burners, o'fm'hich vthe followingisa full, clear, and exact description, reference being had to the z'acconipanying drawings, fora-ling. part of this specification, in which- Figure-l is a longitudinal section of a gasiburner embodying our invention; 'Fig. 2 isga-section onth'e. line 1l-Il of Figs]; 'l.i-g.:,3ism-plan view of the valve 'Jne removed and on a larger-scale; and Fi. is an end view of the burner also on'a laiger scale OI invention has relation to gaslnn'ne-rs s and-Bis designed to providea burner which;

wiillibe:highly etlicientin its aetiong wlrieh rovi'd'ed with simple means. for g ving.

di erentmvolumes of gas; which- ,al so has means-oft"-sin-ipl' and convenient character -ifor '8.d]lIStlI1g the supply of air;- and also provides means of novelv character for m-i-x} ing' the-air and gas prior to combustion.

T-he nature of our invention will be bestunderstood by reference to theaccompany- "in'gadrawings. in whiclnwe have shown the 80 preferred embodiment thereof and Wll'ltll" will now-be described, it being premised, however, that various changes mav be made irr-the details of construction an arrange ment of the )arts, without departing from 85 the spirit-ant scope of the invention, as de fined in the appended claims. I

In these drmvings, the numeral 2 designates a portion of a furnace wall having an 0 ening 3 therein, to receive the burner.

his opening is preferably provided with a guiding and supporting sleeve 4, which receives the mixer tube 5 of the burner. The interior of the sleeve 4 is preferably of an increasing diameter toward its inner end, so

that the mixer tube 5 can slide easily therethrough, without binding. This mixer tube is open at both its inner and outer ends, and isprovided intermediate of its ends with a mixing fan 6, which is journaled on a.

60 suitable snpportin bar or spider 7.

8 is the head 0 the burner, having connected thereto a gps supply pipe 9, which is provided with t e diametrically opposite orwardly extending 115 s 10, which embrace the outer end portion 0? the mixer tube, one

mbers 1916.} semis. 565,082.

as shown at 11, toreeeiye-a guide. pin- 12, projecting from .the tube, .The head is provided with the interioinchamlier l3, connnunieating with the 'gas supply pipe 9, and which; is closed atits inner end by means of the .vnlve members 14 and 15, The valvemember 15 consists of-a plate having a recefii ilrits rear face to receivethe vawe member-l4, which is in the form of a disk. The member 15 is pro-.

of said legs being vslo ted vided with one series of relatively large perforat ons 16 and with an inner series of relatively small perftjirations. 17. The. valve 1nen1berl4 is formed with an outer series of relatively large perforatlons 18. There are tw ce as many of these perforations 18 as there-are perforations 16. The member .14

also has a-n inner series of perforations 19. Connected to the valve "ne'mb r 1 4 is a stem 20,. which projects rearwardl-y through asuitablc stutiing box 21, and-.-is .=provided'at. its outer end with an opeiatting wrench-or levei'. 22, 'one end of which 'forms '0 r--is provided with aHforwardly e.\ tending-poihter23, which is designed to in= ,dieate the -settingof the valves. The end 'of-the casing is provided with indents or other marks '24, with \vh'ich t'l'iispointer co operates. I r

The operation will be readily understood. The gas entering the burner head from the supply-piped) passes throughthe perforations of the valve members in a series of jets which are directed forwardly into the. rear end of the. mixer tube, air being drawn in throughjhe open .rear end of said tube. Itwill be. noted that-the space between the rear end of the tube. and the valve member 15' is entirely open except for the forwardly projecting legs 10 of 'the head. There is, therefore, a large inlet area for the air which will be drawn in by the suction action of the burner. The volume of this air can be controlled by moving the mixer tube so as to vary the distance between its outer end and the valve member 15. The inrushing current of gas and air strikes the fan wheel 6, causing 'a rapid revolution thereof, which gives a very complete mixing of the air and gas prior to combustion.- In the position shown in Figs. 2 and 3, the valve member 14 is so set relatively to the valve member 15 as to cause one-half of the perforations 18 to register with the perforations 16. This adjustment gives a suprelatively small ply of gas which is intermediate the minimum and the maximum-supply. To obtain a maximum supply of as, the valve member 14 is rotated to the eft (looking at Fig. 3) thereby bringing the perforations 19 into 'register with the perforations 17, and onehalf of the perforations 18 into line with the perforations 16. The valve member 14 is also provided with another series of perforations' 25, intermediate the perforations 18, and by turning the valve 14 to. the right (looking at Fig. 3) these small perforations may be brought into line with theperforations 16 of the valve member 15, the perforations 18 being cloesd.

Actual practical use of our improved 'burner has shown extremely satisfactory results, since it effects a considerable saving of gas. The adjustment giving different volumes of gas-1s an important feature, since by the arrangement described the as is not throttled until it reaches the va ve members 14 and 15, and therefore, passes through these-perforations with full velocity in each of the different adjustments. These adjustments enable the burner to be set to give the desired amount of heat. Another important feature of our invention is the construction by which the air is introduced and intimately mixed with the gas, prior to combustion, there being a lar e and readily adjustable air inlet area, an the fan 6 forming very effective means for mixing the air and gas.

It will be obvious that various changes can be made in the details of construction and arrangement of the parts. Thus, the valve members ma be differently constructed and operate changes may be made in the form of the head, and other details may be changed. The spring 26 may be used to hold the valve members in contact.

What we claimis:

1. A gas burner, comprising a head havin a gas admimion chamber therein, and a va ve controlling the discharge from-said chamber, said valve having two relatively movable members, each of which has a plurality of gas discharge perforations therethrough and disposedaround the center of the burner, said perforations being arran d in series of different sizes, and means ibr moving one of said members relatively to the other to bring different series of perforations into register and thus provide for different effective areas of said perforations, substantially as described.

2. A gas burner comprising a head havva ve controlling the discharge from said chamber, said valve having two relatively movable members, each of which has a plurality of gas discharge. perforations therethe burner, said perforations being arranged in series of different sizes, and means for moving one of said members relatively to the other to' bring different series of perforations into register and thus provide for different effective areas of said perforations, together with means whereby a controllable amount of air may be mixed with the gas subsequent to its discharge from the said perforations, substantially as described.

3. A gas burner, comprising a head having a gas admission chamber therein, and a valve controlling the discharge from said chamber, said valve having two relatively series of perforations of different sizes, said erforations being disposed around the center of the burner, a mixi s ace forward of said valve and into whic 't e valve discharges, said space having lateral air inlet openings, and a member movable longitudinally toward and away from the gas discharge to vary the area of said openings or to close them entirely; substantially as described.

' In testimony whereof, we have hereunto set our hands.

WILLIAM DONLEY. I CLYDE PAUL.

Witnesses:

ALVAN DONNAN, Mrrmm A. LEONARD.

in a gas admission chamber therein, and a' movable members, each of which has therein through and disposed around the center of 

